Measurement E151M3419
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.9396 | |
| Q2: | 0.4155 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9435 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 66.0 | -0.2868 | 0.2595 |
| 0.15 | 66.0 | 0.1626 | 0.2526 |
| 0.25 | 66.0 | -0.627 | 0.2384 |
| 0.45 | 282.0 | 0.0765 | 0.2629 |
| 0.55 | 66.0 | 0.0778 | 0.2526 |
| 0.55 | 78.0 | 0.0209 | 0.2249 |
| 0.55 | 90.0 | 0.1672 | 0.2735 |
| 0.55 | 270.0 | -0.2336 | 0.2158 |
| 0.55 | 282.0 | -0.0452 | 0.2157 |
| 0.65 | 66.0 | -0.0718 | 0.1956 |
| 0.65 | 78.0 | -0.1976 | 0.1792 |
| 0.65 | 90.0 | 0.03 | 0.2073 |
| 0.65 | 102.0 | 0.2535 | 0.2456 |
| 0.65 | 258.0 | -0.0682 | 0.2452 |
| 0.65 | 270.0 | 0.1677 | 0.2001 |
| 0.65 | 282.0 | -0.0532 | 0.2286 |
| 0.65 | 294.0 | 0.184 | 0.186 |
| 0.65 | 306.0 | 0.3568 | 0.2338 |
| 0.75 | 66.0 | -0.0482 | 0.1892 |
| 0.75 | 78.0 | 0.0647 | 0.1786 |
| 0.75 | 90.0 | -0.0847 | 0.185 |
| 0.75 | 102.0 | 0.3103 | 0.1813 |
| 0.75 | 258.0 | 0.379 | 0.179 |
| 0.75 | 270.0 | -0.021 | 0.1873 |
| 0.75 | 282.0 | -0.1197 | 0.2154 |
| 0.75 | 294.0 | -0.4073 | 0.1727 |
| 0.75 | 306.0 | 0.2719 | 0.1929 |
| 0.75 | 318.0 | 0.4294 | 0.2271 |
| 0.85 | 54.0 | 0.3077 | 0.2676 |
| 0.85 | 66.0 | -0.0879 | 0.2113 |
| 0.85 | 78.0 | 0.0977 | 0.1801 |
| 0.85 | 90.0 | 0.1097 | 0.1846 |
| 0.85 | 102.0 | -0.0203 | 0.2026 |
| 0.85 | 114.0 | 0.0806 | 0.2124 |
| 0.85 | 234.0 | -0.1213 | 0.255 |
| 0.85 | 246.0 | -0.1972 | 0.1961 |
| 0.85 | 258.0 | -0.2045 | 0.1644 |
| 0.85 | 270.0 | 0.1602 | 0.2016 |
| 0.85 | 282.0 | 0.089 | 0.1874 |
| 0.85 | 294.0 | 0.2465 | 0.2052 |
| 0.85 | 306.0 | 0.3176 | 0.191 |
| 0.85 | 318.0 | -0.2922 | 0.214 |
| 0.85 | 330.0 | 0.1393 | 0.2573 |
| 0.95 | 54.0 | 0.0916 | 0.2559 |
| 0.95 | 66.0 | -0.4863 | 0.2296 |
| 0.95 | 78.0 | 0.1677 | 0.2611 |
| 0.95 | 90.0 | 0.0785 | 0.2389 |
| 0.95 | 102.0 | -0.4081 | 0.2311 |
| 0.95 | 114.0 | -0.0941 | 0.2639 |
| 0.95 | 234.0 | -0.2468 | 0.2436 |
| 0.95 | 246.0 | -0.1067 | 0.2937 |
| 0.95 | 258.0 | -0.1142 | 0.2607 |
| 0.95 | 270.0 | 0.0412 | 0.2051 |
| 0.95 | 282.0 | 0.297 | 0.222 |
| 0.95 | 294.0 | -0.0051 | 0.2354 |
| 0.95 | 306.0 | 0.0637 | 0.2563 |
| 0.95 | 318.0 | 0.1779 | 0.2723 |
Experiment comment: